Research Article

Experiment and Simulation Study on the Special Phase Behavior of Huachang Near-Critical Condensate Gas Reservoir Fluid

Table 4

Binary interaction parameters () and mixing rules for the PREOS in this study.

ComponentsCO2N2CH4C2H6C3H8iC4H10nC4H10iC5H12nC5H12C6H14C7~C8C9~C10C11+

CO200.02000.10300.13000.13500.13000.13000.12500.12500.15000.15000.15000.1500
N20.020000.03100.04200.09100.09500.09500.09500.09500.12000.12000.12000.1200
CH40.10300.031000.00270.00850.01580.01480.02090.02060.02530.03140.04260.0561
C2H60.13000.04200.002700.00170.00550.00490.00870.00860.01170.01600.02450.0352
C3H80.13500.09100.00850.001700.00110.00010.00280.00270.00460.00750.01360.0219
iC4H100.13000.09500.01580.00550.001100.00000.00040.00040.00120.00280.00690.0133
nC4H100.13000.09500.01480.00490.00010.000000.00060.00050.00150.00330.00770.0143
iC5H120.12500.09500.02090.00870.00280.00040.000600.00000.00020.00110.00410.0093
nC5H120.12500.09500.02060.00860.00270.00040.00050.000000.00030.00120.00420.0094
C6H140.15000.12000.02530.01170.00460.00120.00150.00020.000300.00030.00240.0066
C7~C80.15000.12000.03140.01600.00750.00280.00330.00110.00120.000300.00090.0039
C9~C100.15000.12000.04260.02450.01360.00690.00770.00410.00420.00240.000900.0010
C11+0.15000.12000.05610.03520.02190.01330.01430.00930.00940.00660.00390.00100